Kicker 46TL7T102-3 sub

ZeroGravity58

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Mar 23, 2008
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Finally put a sub in my ext lbz. Couldn't take it anymore. I looked high and low for a reasonable priced custom box but they cost more then I wanted to spend. I stumbled across the kicker 46TL7T102-3. It fits perfect under the ext cab seats. It's a 10" L7 sub. Figure I'd share as I surfed the web for weeks trying to find something that wasn't a $400 custom enclosure that could pop right out if need be. Doesn't sound bad for the small sealed in closure.
 

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Chevy1925

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I was looking at those but doing one with a radiator. Are you running it at max rms?
 

ZeroGravity58

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Mar 23, 2008
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The amp is a old jbl bp600.1 class D. It's a 600watt rms amp and they were slightly under rated. The sub is 500 watts rms. I had to adjust the gains in the amp as it was driving the sub a little to hard. Ive been out of the car audio scene for awhile but these little L7's hit pretty hard for being a 10" sub in such a small sealed box. I wasn't sure what to expect but I'm gonna pick up another for the other side. They have them in 12's also and the box is only slightly bigger. If you can find them the old jbl amps are great. I bought this one new in 2002 and it's still surviving. The amp is 1 ohm stable and I've run it all the way down to .6 ohms and it handled it like a champ.
 
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Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
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Phoenix Az
The amp is a old jbl bp600.1 class D. It's a 600watt rms amp and they were slightly under rated. The sub is 500 watts rms. I had to adjust the gains in the amp as it was driving the sub a little to hard. Ive been out of the car audio scene for awhile but these little L7's hit pretty hard for being a 10" sub in such a small sealed box. I wasn't sure what to expect but I'm gonna pick up another for the other side. They have them in 12's also and the box is only slightly bigger. If you can find them the old jbl amps are great. I bought this one new in 2002 and it's still surviving. The amp is 1 ohm stable and I've run it all the way down to .6 ohms and it handled it like a champ.
ive actually got a pioneer 1000watt class D sitting on the shelf, it aint as good as the old amps like yours imho but its real clean sound. i put one in the old limo with 4 10" RF P2 subs (the older single voice coil ones). man was that a nice change over the old RF 350 i had in there for years (i thought it was a 750 for 7-8 years before it finally died and i opened it up to see an old tag with the RMS on it :LOL:).

i miss a good bass hit when i crank the truck up. the tiny 6" "sub" that gm gives is f-ing hilarious. I started reading and watching some videos on radiators cause i never heard of them and realized how good they work for compact areas. i feel like a single 12" w/ 12" radiator will get me what i want and Kicker has some good choices. then i still get the whole other side of the underseat to hold junk.
 

ZeroGravity58

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Mar 23, 2008
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I've always run kicker subs and have had great luck with them. I ran two old comp vr 18's in a ext cab s10 with two jbl bp600.1....all I can say is wow and it prob why I can't hear right 😂 try out just the single l7 in the truck box I think you will be impressed. I know this little 10" surprised me. I'm no longer interested in rattling the car windows in the car in front of me anymore
 

2004LB7

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Dec 15, 2010
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James, wouldn't the sound coming off the passive radiator be in opposite phase of the active speaker? while the active sub is moving out the passives are moving in and vis versa. seems like it would make it less effective or lower spl. does seem like it would make the internal pressure the active sub would have so work against lower thus lowering the frequency response. a properly tuned port would delay the pressure wave long enough to match up with the sub in the proper phase.

personally I like the sound of a sealed sub. seems to hit harder but not go down as low. plus you can run them a little harder without destroying them as easy as they resist overextension better

for me it's sealed for music and ported for movies
 
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2004LB7

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Dec 15, 2010
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this is what I built about 10 years or so ago. two 8" subs in a sealed box. tuned to peak around 60-100 Hertz for that chest thumping sound. more then loud enough for me

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Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
21,151
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Phoenix Az
James, wouldn't the sound coming off the passive radiator be in opposite phase of the active speaker? while the active sub is moving out the passives are moving in and vis versa. seems like it would make it less effective or lower spl. does seem like it would make the internal pressure the active sub would have so work against lower thus lowering the frequency response. a properly tuned port would delay the pressure wave long enough to match up with the sub in the proper phase.

personally I like the sound of a sealed sub. seems to hit harder but not go down as low. plus you can run them a little harder without destroying them as easy as they resist overextension better

for me it's sealed for music and ported for movies

Everything I’ve done research on says no, that’s not the case. The radiator needs to move twice the amount of air that the driver/sub moves so it puts the two in sync. Port and radiator work very similar to each other, they both tune to a frequency but a radiator works far better in a small enclosure due to space.

I ran sealed for all my subs becuase I never had the space and knew nothing about radiators but I hated I couldn’t hit the low hz hard. The limos did alright cause the sealed box wasn’t very sealed but wasn’t clean down low (4 10’s in an enclosure with half the air space the subs needed). I kinda want to try the radiator setup and see how it does.